This makes it easier to build around Mais downside, and turn it into a one-sided damage engine for your black decks
No, stickers and attractions are not banned from Commander
2020-11-10 No matter what spell you cast with the first cascade trigger (or with any cascade triggers that result from casting that spell), the second cascade trigger will look for a spell with mana value less than Maelstrom Wanderer's mana value of 8
Basically any deck that had a low curve - and Delver of Secrets naturally lowered that curve - and ran Brainstorm would be silly not to also run Delver
The combination of mana cost, stats, enchantment typing and two powerhouse abilities make this almost as universal as Setessan Champion, and four of each is a decent place to start green Standard lists if you want to do anything with enchantments going forward
He brings flying, haste, and vigilance, which is pretty good for the conversation